发明名称 |
Loudspeaker horn with adjustable angle of dispersion |
摘要 |
A loudspeaker horn, which is divided into three segments, is provided with a valve for projecting sound either through the central segment or through all of the segments, said valve being adjustable from the front of the loudspeaker by a knob which has markings thereon to indicate the position of the valve and which is provided with means for retaining it in the position set by the knob.
|
申请公布号 |
US4194590(A) |
申请公布日期 |
1980.03.25 |
申请号 |
US19790029612 |
申请日期 |
1979.04.13 |
申请人 |
SHURE BROTHERS INC |
发明人 |
ANDERSON, C ROGER;SCHULEIN, ROBERT B |
分类号 |
G10K11/02;H04R1/34;(IPC1-7):G10K11/00 |
主分类号 |
G10K11/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|